I recently handled an estate sale. Among the SK's posessions was a one-foot
piece of RG-8 or RG-213 which he had carefully modified by cutting away
about 3/16 inch of the jacket and braid all around the circumference of the
cable, near its middle.

I am not sure what use this would be to a ham. Some audio cables are made
up with discontinuous shields for elimination of ground loops but I've not
seen it done for RF.

Ideas?

Sal M. Onella wrote:
I recently handled an estate sale. Among the SK's posessions was a one-foot
piece of RG-8 or RG-213 which he had carefully modified by cutting away
about 3/16 inch of the jacket and braid all around the circumference of the
cable, near its middle.

I am not sure what use this would be to a ham. Some audio cables are made
up with discontinuous shields for elimination of ground loops but I've not
seen it done for RF.

Ideas?

A shielded loop.

--
Jim Pennino

Remove .spam.sux to reply.

wrote in message
...
Sal M. Onella wrote:
I recently handled an estate sale. Among the SK's posessions was a
one-foot
piece of RG-8 or RG-213 which he had carefully modified by cutting away
about 3/16 inch of the jacket and braid all around the circumference of
the
cable, near its middle.

A shielded loop.


Thanks. Good chance that was it.

Take all of the sheath and the shield off and a piece like that could be
used in the making of a gamma match. Partially stripped it could have been
for a piece of test equipment or ???


"Sal M. Onella" wrote in message
...
I recently handled an estate sale. Among the SK's posessions was a
one-foot
piece of RG-8 or RG-213 which he had carefully modified by cutting away
about 3/16 inch of the jacket and braid all around the circumference of
the
cable, near its middle.

I am not sure what use this would be to a ham. Some audio cables are made
up with discontinuous shields for elimination of ground loops but I've not
seen it done for RF.

Ideas?

Sal M. Onella wrote:
Among the SK's posessions was a one-foot
piece of RG-8 or RG-213 which he had carefully modified by cutting away
about 3/16 inch of the jacket and braid all around the circumference of the
cable, near its middle. I am not sure what use this would be to a ham. Ideas?

It's probably a poor-man's slotted line. A needle is
inserted through the center insulation to access the
voltage on the center conductor.
--
73, Cecil http://www.w5dxp.com

Then again, depending on how 'devious' he was, it could have been that
he wanted to leave something that would make people wonder.
- 'Doc

Cecil Moore wrote:
Sal M. Onella wrote:
Among the SK's posessions was a one-foot
piece of RG-8 or RG-213 which he had carefully modified by cutting away
about 3/16 inch of the jacket and braid all around the circumference
of the
cable, near its middle. I am not sure what use this would be to a ham.
Ideas?

It's probably a poor-man's slotted line. A needle is
inserted through the center insulation to access the
voltage on the center conductor.

Sorry, I misunderstood the description. It is probably
part of a loop antenna.
--
73, Cecil http://www.w5dxp.com

Maybe he was starting to strip the outter sheath and shield to make a gamma
match. Or it could be a test gadget he was going to make.....Rollie



"Sal M. Onella" wrote in message
...
I recently handled an estate sale. Among the SK's posessions was a
one-foot
piece of RG-8 or RG-213 which he had carefully modified by cutting away
about 3/16 inch of the jacket and braid all around the circumference of
the
cable, near its middle.

I am not sure what use this would be to a ham. Some audio cables are made
up with discontinuous shields for elimination of ground loops but I've not
seen it done for RF.

Ideas?

Cecil Moore wrote:
Cecil Moore wrote:
Sal M. Onella wrote:
Among the SK's posessions was a one-foot
piece of RG-8 or RG-213 which he had carefully modified by cutting away
about 3/16 inch of the jacket and braid all around the circumference
of the
cable, near its middle. I am not sure what use this would be to a
ham. Ideas?

It's probably a poor-man's slotted line. A needle is
inserted through the center insulation to access the
voltage on the center conductor.

Sorry, I misunderstood the description. It is probably
part of a loop antenna.

What is needed, here, is a Ouija board.
73,
Tom Donaly, KA6RUH

Sal M. Onella wrote:
I recently handled an estate sale. Among the SK's posessions was a one-foot
piece of RG-8 or RG-213 which he had carefully modified by cutting away
about 3/16 inch of the jacket and braid all around the circumference of the
cable, near its middle.

I am not sure what use this would be to a ham. Some audio cables are made
up with discontinuous shields for elimination of ground loops but I've not
seen it done for RF.

Ideas?


All the above have merit-- One other use- in SOME installations, there
is a requirement to do D.C. isolation - Removal ot part of the sheath,
jumpered by a Capacitor (but if that is what this for, the cap would
be in place). And, as to the first comment, such a loop would have been
used as a direction Finder (the space between the broken shields was
the "sense area of the loop, and, if remember right, you "Null" in the
direction that the "loop" is perpendicular to. - Jim NN7K